CN201430580Y - Low-altitude multidirectional indicating button structure - Google Patents
Low-altitude multidirectional indicating button structure Download PDFInfo
- Publication number
- CN201430580Y CN201430580Y CN2009201490159U CN200920149015U CN201430580Y CN 201430580 Y CN201430580 Y CN 201430580Y CN 2009201490159 U CN2009201490159 U CN 2009201490159U CN 200920149015 U CN200920149015 U CN 200920149015U CN 201430580 Y CN201430580 Y CN 201430580Y
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- elastomer
- keycap
- direction indication
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Abstract
The utility model relates to low-altitude multidirectional indicating button structure, in particular to a single button capable of generating different instructions for users. The button structure mainly comprises a magnetic component, a button cap and an elastic body, the magnetic component and the elastic body are both fixed on the button cap, the moving range of the button cap is limited by the elastic body, and the elastic body is a spiral structure diverging outwardly from the central area of the elastic body. The elastic body of the indicating button is not a complete solid but a hollow-out area with a spiral structure, the weight of the central area of the elastic body is reduced, pre-pressure born by a drum switch on a circuit board is reduced, and then chances of being started accidentally of the drum switch on the circuit board are reduced.
Description
Technical field
The utility model is relevant for the multi-direction indication press-key structure of a kind of low clearance, especially refer to a kind of multi-direction indication button that is fit to be installed on the device for mobile communication, this multi-direction indication button is the button that a kind of user of order can produce different instruction by this one key.
Background technology
Multi-direction indication button is a kind of very common button, this button is commonly used on automobile, mobile phone, notebook computer, music player and other electrical home appliances, this multi-direction indication button normally is used for the cursor on the display screen, and it acts on the mouse or the trace ball of similar computer.
The U.S. the 7th, 348, No. 512 a kind of multi-direction indication buttons that are used in mobile phone of patent disclosure, it mainly is device a plurality of drum switches (Dome Switch) under this keycap, when the user when certain direction of this keycap is pushed this keycap, just be activated apart from the immediate drum switch of this press points, and produce a signal on the circuit of circuit board, system just produces appropriate reaction according to this signal.
As shown in figure 12, the U.S. discloses the mobile phone that No. 20080048649 patent application case discloses a kind of slim input unit and this slim input unit is housed, it mainly is the combination of an enclosing cover A, a keycap B, a magnet assembly C, an elastomer D and a displacement detector F, and this composite entity removably directly is fixed on the mobile telephone circuitry plate G.This keycap B can move along either direction, and this magnet assembly C is installed in this keycap B.This displacement detector F is electrically connected with external electronic, and this displacement detector F is equipped with inside a plurality of hall sensors (Hall Sensor), utilizes each hall sensor to detect the displacement of keycap B.This enclosing cover A removably is fixed on the circuit board of external device (ED), and this enclosing cover A removably covers and is overlying on outside this keycap B.This elastomer is installed on the circuit board of this keycap below, and this elastomer also roughly is fixed on this circuit board G by this shell simultaneously.This elastomer D is made by a kind of softness and high resilience material, and therefore when this keycap B was subjected to displacement, this elastomer D is distortion thereupon also, then can produce the restoring force that this keycap B is pushed back the home position in the elastomer D.
In this U.S. discloses No. 20080048649 patent application case, as this keycap B during towards the either direction displacement, this magnet assembly C is promptly along with this keycap B displacement, in case magnet assembly C is subjected to displacement, then produce changes of magnetic field at this magnet assembly C peripheral space, this displacement detector F can detect this changes of magnetic field and with the circuit of this message transmission to the circuit board G, this mobile telephone system can be made appropriate reaction to the displacement of keycap B.
Because this elastomer D is made by a kind of softness and whippy material, this elastomer D itself promptly has weight to press down, the weight of this keycap B and magnet assembly C also continues to apply pressure on this elastomer D again, it is already present downforce in advance that these weight all make the drum switch G1 on this circuit board G bear one, therefore the drum switch G1 on this circuit board G is easy to by accidental activation, G sends error messages to circuit board, so this U.S. discloses the design of No. 20080048649 patent application case and do not meet the industry actual demand.
The utility model content
Main purpose of the present utility model is to provide a kind of low clearance multi-direction indication press-key structure, and the multi-direction indication press-key structure of this low clearance must be able to reduce the wrong chance that starts this drum switch.The multi-direction indication press-key structure of the low clearance that the utility model provides, comprise a magnet assembly, a keycap and an elastomer, this magnet assembly has at least a part to be installed in this keycap, and this elastomeric profile center is located in contiguous this keycap, this keycap and this magnet assembly limitation of activity is characterized in that in this elastomer: this elastomer is a kind of helical structure of gradually opening outwardly from this elastomer middle section.
According to the multi-direction indication press-key structure of above-mentioned low clearance, this elastomeric helical spring structure outer rim has a framework, and this framework matches with this helical spring structure.
According to the multi-direction indication press-key structure of above-mentioned low clearance, this elastomeric helical spring structure and framework are by electrical insulator one injection molded.
According to the multi-direction indication press-key structure of above-mentioned low clearance, this keycap and this elastomer are integrally formed.
According to the multi-direction indication press-key structure of above-mentioned low clearance, this multi-direction indication press-key structure is installed on the circuit board surface.
According to the multi-direction indication press-key structure of above-mentioned low clearance, another surface that this circuit board deviates from this multi-direction indication press-key structure is provided with a magnetic-inductive device.
According to the multi-direction indication press-key structure of above-mentioned low clearance, be provided with a plurality of hall sensors in this magnetic-inductive device.
The utility model comprises a magnet assembly, a keycap and an elastomer, the part of this magnet assembly is fixed in this keycap, this elastomeric ring is around in outside this magnet assembly, make this keycap scope of activities be subject to this elastomer, this elastomer has at least one helical structure of gradually opening from middle section outwardly, and this elastomeric profile center is fixed in contiguous this keycap.
Elastomer in the utility model has a kind of presenting towards outer rim from middle section and levels off to the helical structure of involute curve, and promptly this elastomer is not complete entity, but has the hollow out zone.Because the elastomer in the utility model has the hollow out zone of helical structure, the then weight saving of this elastomer middle section, the precompression that drum switch bore on the traditional circuit-board is reduced, and the drum switch on this circuit board is reduced by the chance of accidental activation.
In structure disclosed in the utility model, though the weight of this keycap and magnet assembly also is continuously applied on this elastomer as known configurations, but the utility model only need pass through the sparse or tightness degree of the involute curve of this helical structure of adjustment, or the section shape or the size of change helical structure, can make this elastomeric helical structure effectively support the weight of this keycap and magnet assembly.
Because the user promotes this keycap and makes keycap after original position moves, this keycap mainly is to utilize this elastomeric elastic-restoring force and get back to original position, thus this keycap can not to depart from this elastomeric elastic force center far away excessively.For the elastomer that general employing helical structure provides elastic force, the elastic force center of this helical structure levels off to the monnolithic case center usually, therefore the so-called keycap of the utility model must the profile center that be maintained at this helical structure of normality near, could utilize the elastic force of this helical structure to get back to original position.
Other can become apparent by the open of the utility model specification about application of the present utility model, yet, the utility model specification disclosed just with preferred embodiment of the present utility model as representative, be not in order to limit range of application of the present utility model.
Description of drawings
Fig. 1 is the stereogram of the utility model first embodiment;
Fig. 2 is the end view of the utility model first embodiment;
Fig. 3 is the three-dimensional exploded view of the utility model first embodiment;
Fig. 4 is the vertical view of the utility model first embodiment;
Fig. 5 is the cutaway view of A-A line among Fig. 4;
Fig. 6 is the stereogram of the utility model second embodiment;
Fig. 7 is the cutaway view of A ' among Fig. 6-A ' line;
Fig. 8 looks up the angle stereogram for the enclosing cover of the utility model the 3rd embodiment;
Fig. 9 is the three-dimensional exploded view of the utility model the 3rd embodiment;
Figure 10 is the vertical view of the utility model the 3rd embodiment;
Figure 11 is the cutaway view of B-B line among Figure 10;
Figure 12 discloses the perspective exploded view of No. 20080048649 patent application case for the U.S..
Wherein, description of reference numerals is as follows:
Enclosing cover A keycap B
Magnet assembly C elastomer D
Displacement detector F circuit board G
Drum switch G1
Bearing 31 storage tanks 311
Restrain ring 32 dowels 321
Snap close colludes 322 circuit boards 4
Place hole 412 magnetic-inductive devices 42
Enclosing cover 5 perforation 51
Dowel 52 snap closes collude 53
Embodiment
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the utility model mainly is set on the circuit board 4 of electronic equipment, be equiped with a drum switch 41 on one surface of this circuit board 4, another surface of this circuit board 4 then is equiped with a magnetic-inductive device 42, displacement detector F in this magnetic-inductive device 42 and the background technology is suitable, its inside is provided with a plurality of hall sensor (not shown)s, to detect the changes of magnetic field of this multi-direction indication button inside.
The utility model first embodiment mainly comprises a magnet assembly 1, a keycap 2 and an elastomer 3.The part of this magnet assembly 1 is fixed in this keycap 2, another part of this magnet assembly 1 is fixed in this elastomer 3 middle sections, this elastomer 3 is surrounded on outside this magnet assembly 1, make these keycap 2 scopes of activities be subject to this elastomer 3, this elastomer 3 is gradually opening structures of a kind of spiral of gradually opening outwardly from middle section.
In the utility model first embodiment, these keycap 2 middle sections extend an annular flange flange 21 towards this circuit board 4, and the central authorities of the flange 21 of this keycap 2 form the space of ccontaining this magnet assembly 1, make this magnet assembly 1 can be fixed in this keycap 2.The profile central authorities of this elastomer 3 have a bearing 31, and the profile outer rim of this elastomer 3 has a contained ring 32.Has a storage tank 311 on the bearing 31 of this elastomer 3, the storage tank 311 of this elastomer 3 can be taken in the some of this magnet assembly 1 at least, in the present embodiment, the storage tank 311 of this elastomer 3 can ccontaining this magnet assembly 1 and the flange 21 of this keycap 2, with the relative position of the bearing 31 of fixing this magnet assembly 1, this keycap 2 and this elastomer 3.Because this elastomer 3 is to be gradually opening structure of the spiral gradually opened from bearing 31 towards restraining ring 32, non-complete entity structure, so this elastomer 3 can reduce weight by the mode of hollow out.
The contained ring 32 of these elastomer 3 outer rims has a plurality of dowels 321, the setting of each dowel 321 is corresponding to the location hole 411 on this circuit board 4, cooperating of location hole 411 on dowel 321 by this elastomer 3 and this circuit board 4, this elastomer 3 is accurately positioned on this circuit board 4.In first embodiment of the present utility model, also have pair of catches on this contained ring 32 and collude 322, it is to place hole 412 corresponding to this circuit board 4 that this snap close colludes 322 setting, make this snap close of restraining ring 32 collude 322 can pass this circuit board 4 place hole 412, and make this restrain ring 32 hooks in these circuit board 4 location.
When the multi-direction indication button of the utility model first embodiment is set on the circuit board 4 of electronic equipment, and when user's application of force makes this keycap 2 be parallel to the horizontal displacement of circuit board 4, this magnet assembly 1 is with 2 motions of this keycap, and the spiral that forces this elastomer 3 simultaneously is opening structure generation strain gradually; Then the helical structure of this elastomer 3 can produce corresponding opposite direction elastic force, in case after user's translational thrust is removed, utilize the helical structure of this elastomer 3 that this magnet assembly 1 is pushed back original position.In like manner, when user's application of force makes this keycap 2 that vertical displacement with respect to this circuit board 4 take place, the helical structure of this elastomer 3 can produce corresponding opposite direction elastic force, in case after user's application of force was removed, the helical structure of this elastomer 3 pushed back original position with this magnet assembly 1.
In the utility model first embodiment, though this magnet assembly 1 is after being set at the bearing 31 of this elastomer 3 earlier, just be set within flange 21 scopes of this keycap 2, but in cross section relation (as shown in Figure 5), some is set at this magnet assembly 1 in flange 21 scopes of this keycap 2.
Because the mechanical structure of the elastomer 3 in the utility model first embodiment, bearing 31 and contained ring 32 is by having the good plastic material one injection molding of elasticity and insulating properties, therefore can pass through to change the involute curve density degree of elastomer 3 helical structures, and adjust the elastic-restoring force of elastomer 3 horizontal directions.And when the elastic-restoring force of elastomer 3 vertical direction need be adjusted, can gradually the section configuration or the size of opening structure be adjusted by changing these elastomer 3 spirals.
As Figure 6 and Figure 7, in the utility model second embodiment, the hole 412 that places on the circuit board 4 of this electronic equipment is breach that are arranged on board edge, therefore should restrain snap close on the ring 32 collude 322 can pass circuit board 4 and button hook in other position of this electronic equipment, for example: shell.
As Fig. 8, Fig. 9, Figure 10 and shown in Figure 11, in the utility model the 3rd embodiment, the helical structure of gradually opening of this elastomer 3 is a typical helical spring, makes this elastomer 3 have the hollow out zone.
In the utility model the 3rd embodiment, this keycap 2 extends a flange 21 with ccontaining this magnet assembly 1 towards this circuit board 4, this elastomer 3 then is sheathed on flange 21 outer rims of this keycap 2, and then this magnet assembly 1, this keycap 2 and this elastomer 3 the relative position of each other also can be determined.
In the utility model the 3rd embodiment, this multi-direction indication press-key structure also further has an enclosing cover 5 and a base 6, these enclosing cover 5 middle sections have a perforation 51 and pass through for this keycap 2 unoccupied place of having a surplus, and this enclosing cover 5 roughly is covered in outside this keycap 2 and the elastomer 3.
Because the elastomer 3 of the utility model the 3rd embodiment is not provided with the contained ring 32 with respect to first embodiment, therefore a plurality of dowels 52 are set on the enclosing cover 5 of the utility model the 3rd embodiment, utilize the dowel 52 of this enclosing cover 5 to cooperate, make keycap 2, elastomer 3 and the enclosing cover 5 of this multi-direction indication press-key structure be set on this circuit board fixed position on 4 with each location hole 411 of this circuit board 4.The enclosing cover 5 of the utility model the 3rd embodiment also is provided with pair of catches simultaneously and colludes 53, and this enclosing cover 5 is fixed on this circuit board 4 or the electronic device housing.Because therefore enclosing cover 5 simple structures of the utility model the 3rd embodiment can be panels of this electronic device housing.
In the utility model the 3rd embodiment, this base 6 has a framework 61, can be by the framework 61 of this base 6 will this multi-direction indication press-key structure be assemblied in the appropriate location of electronic installation, for example: shell.In addition, in the utility model the 3rd embodiment, this base 6 has a connector 62, and then the circuit on this circuit board 4 can be simplified, and utilize this connector 62 that the circuit on this circuit board 4 is electrically connected with other circuit, make the multi-direction indication press-key structure integral body can modularization.
In the utility model the 3rd embodiment, this base 6 is provided with a plurality of guide holes 611 in framework 61 corresponding to each location hole 411 place of this circuit board 4, therefore each dowel 52 of this enclosing cover 5 can adopt the tight fit mode to fix each location hole 411 and guide hole 611 simultaneously, so that multi-direction indication press-key structure integral body can the mode of simplifying be finished overall package.
Compare the utility model first embodiment and the 3rd embodiment, bearing among this first embodiment 31 and 32 assemblings for elastomer 3 of contained ring have auxiliary effect as can be known; Yet those of ordinary skills can not need be provided with bearing 31 and restrain ring 32 when implementing technology disclosed in the utility model.In like manner, in the disclosed content of first embodiment of the present utility model, the mechanical structure of this elastomer 3, bearing 31 and contained ring 32 is by the one injection molding; But the utility model is when practical application, this keycap 2 can be directly and this elastomer 3 together be formed and this bearing 31 that needn't be shaped.In first embodiment of the present utility model, this keycap 2 is just to combine with this elastomer 3 and bearing 31 when assembling; And the part that aforementioned integrally formed keycap 2 and this elastomer 3 just can utilize this keycap 2 directly to fix this elastomer 1, this should belong to, and those of ordinary skills can expect according to content disclosed in the utility model implementing easily.
Though preferred embodiment of the present utility model openly as above; so it is not in order to limit claim of the present utility model; those of ordinary skill under any in the technical field; in not breaking away from spirit and scope of the present utility model; when doing some changes and retouching, therefore protection range of the present utility model is worked as with being as the criterion that claim was limited.
Claims (7)
1. multi-direction indication press-key structure of low clearance, comprise a magnet assembly, a keycap and an elastomer, this magnet assembly has at least a part to be installed in this keycap, and this elastomeric profile center is located in contiguous this keycap, this keycap and this magnet assembly limitation of activity is characterized in that in this elastomer: this elastomer is a kind of helical structure of gradually opening outwardly from this elastomer middle section.
2. the multi-direction indication press-key structure of low clearance according to claim 1 is characterized in that, this elastomeric helical spring structure outer rim has a framework, and this framework matches with this helical spring structure.
3. the multi-direction indication press-key structure of low clearance according to claim 2 is characterized in that, this elastomeric helical spring structure and framework are by electrical insulator one injection molded.
4. the multi-direction indication press-key structure of low clearance according to claim 1 is characterized in that this keycap and this elastomer are integrally formed.
5. the multi-direction indication press-key structure of low clearance according to claim 1 is characterized in that, this multi-direction indication press-key structure is installed on the circuit board surface.
6. the multi-direction indication press-key structure of low clearance according to claim 5 is characterized in that another surface that this circuit board deviates from this multi-direction indication press-key structure is provided with a magnetic-inductive device.
7. the multi-direction indication press-key structure of low clearance according to claim 6 is characterized in that, is provided with a plurality of hall sensors in this magnetic-inductive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201490159U CN201430580Y (en) | 2009-04-02 | 2009-04-02 | Low-altitude multidirectional indicating button structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201490159U CN201430580Y (en) | 2009-04-02 | 2009-04-02 | Low-altitude multidirectional indicating button structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201430580Y true CN201430580Y (en) | 2010-03-24 |
Family
ID=42034319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201490159U Expired - Fee Related CN201430580Y (en) | 2009-04-02 | 2009-04-02 | Low-altitude multidirectional indicating button structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201430580Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180715A (en) * | 2017-07-24 | 2017-09-19 | 南通昌荣机电有限公司 | It is a kind of that there is the button for buffering overtravel structure |
-
2009
- 2009-04-02 CN CN2009201490159U patent/CN201430580Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180715A (en) * | 2017-07-24 | 2017-09-19 | 南通昌荣机电有限公司 | It is a kind of that there is the button for buffering overtravel structure |
| CN107180715B (en) * | 2017-07-24 | 2019-11-05 | 南通昌荣机电有限公司 | A kind of button with buffering overtravel structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20170402 |